The answer is actually quite simple, but let me first explain why that locking device is there. Section 422.30 of the National Electric Code (NEC) requires a disconnecting means for all appliances.

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Churning with voltage and resembling an explosion at the wire factory, the breaker panel exudes mystique. But it's just a big switch, filled with other smaller ­switches, which lead to the switches ...

Craftsman is planning to release a new Pro Series of tool storage units this October that’ll lock with a physical key, like most other toolboxes. They’ll also be modernized with a companion app and ...